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4th Grade Science Review
Test Description: Magnetism and Electricity
Instructions: Answer all questions to get your test result.
1) Electricity in most homes flows through
A
fuses
B
open circuits
C
parallel circuits
D
series circuits
2) The two ends of a magnet are called
A
charges
B
none of the above
C
magnetic fields
D
poles
3) Electrical charges builds up when
A
negative charges move from one object to another
B
positive charges move from one object to another
C
too much current flows through a wire
D
lightning is discharged
4) A(n) ___________________ is a material that does not allow electricity to flow through it easily.
A
Insulator
B
Fuse
C
Generator
D
Conductor
5) Copper is an example of a good
A
Plastic
B
Conductor
C
None of the above
D
Insulator
6) A build of of electric charge that causes lightning is called
A
Current Electricity
B
Generator
C
Solar Power
D
Static Electricity
7) Magnets stick to
A
aluminum
B
iron
C
paper
D
glue
8) When magnets pull together, they
A
fall down
B
attract
C
repel
D
do back flips
9) A _______________ is a pathway for the flow of electricity.
A
detector
B
battery
C
circuit
D
light bulb
10) A plastic ruler can get a positive charge by
A
losing a single negative charge
B
gaining a simple positive charge
C
gaining a single negative charge
D
losing a single positive charge
11) How many poles does a magnet have?
A
One
B
Four
C
Two
D
Three
12) An object has a ______________ charge if it has extra positive charges.
A
Neutral
B
Negative
C
Positive
D
Large
*select an answer for all questions
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